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Finding the Fourth Proportional to 350.84, 484.10 and 210.94

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Solution

The fourth proportional to 350.84, 484.10 and 210.94 is: 291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.84 : 484.10 = 210.94 : x
  2. Step 2: Convert to fraction form
    350.84/484.10 = 210.94/x
  3. Step 3: Cross multiply
    350.84x = 484.10 × 210.94
  4. Step 4: Simplify right side
    350.84x = 102,116.05
  5. Step 5: Solve for x
    x = 102,116.05/350.84
  6. Step 6: Final answer
    x = 291.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.